Optical Security:
The computer, the boon of the modern age, has leveled the once stratified business world with the delicacy of a velvet-gloved fist. In this new world where information is king and transactional ease a must, risk management has become a balancing act between convenience and security. Once upon a time, security issues were simple. An infrared motion detector or surveillance camera announced an intruder's presence. Electronic locks provided added security, but magnetic key counterparts are easily...
Photonics Spectra, November 1997